Ammonium heteropolyacid catalyzed polymerization of olefins

Details Ammonium heteropolyacid catalyzed polymerization of olefins Ammonium heteropolyacid catalyzed polymerization of olefins

C - Chemistry, Metallurgy

08

F

C08F 10/10 (2006.01) C08F 4/22 (2006.01) C08F 110/10 (2006.01)

Patent

CA 2370691

Calcined ammonium salts of phosphotungstic acid are used to polymerize C2-C30 .alpha.-olefins and derivatives thereof to form highly reactive products having a high content of terminal vinylidene groups and .beta.-isomers in resonance therewith.

La présente invention concerne des sels d'ammonium d'acide phosphotungstique calcinés servant à polymériser des .alpha.-oléfines en C¿2?-C¿30? et des dérivés de celles-ci afin de former des produits très réactifs comportant une proportion importante de groupes terminaux vinylidène et de .beta.-isomères en résonance avec eux.

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